<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="../js/jquery-1.11.0.js"></script>
<script type="text/javascript">
	$(document).ready(function(){
		$("#b").click(function(){
			$("#p").show(function(){
				alert("动画出来了！");
			});
		});
	});
</script>
</head>
<body>
<input type="button" id="b" value="回调事件"/>
<p id="p" style="display:none">动画</p>
</body>
</html>